"mcelroy, tim" <tim(dot)mcelroy(at)bostonstock(dot)com> writes:
> The du . -h in $PGDATA showed PROD001 at 9.1G and Prod0002 at 8.8G so
> they're pretty much the same, one would think the smaller one should be
> faster. Yes, the backup files are identical in size.
Hmph. You should carry the "du" analysis down to the subdirectory
level, eg make sure that it's not a case of lots of pg_xlog bloat
balancing out bloat in a different area on the other system. But I
suspect you won't find anything.
> I'm hoping the Engineering staff can find something system related as I
> doubted and still doubt that it's a postgres issue.
I tend to agree. You might try watching "vmstat 1" output while taking
the dumps, so you could at least get a clue whether the problem is CPU
or I/O related ...
regards, tom lane